Honeywell TH8000 Series User Manual

12 69-1701
Operating Your Thermostat
Setting Fan and System Keys
SETTING FAN KEY
The Fan key selections vary based on your heating and/or cooling system type.
On—fan runs continuously. Use this setting for improved air circulation or for more efficient central
air cleaning.
Auto—fan follows fan program schedule. See Fan Schedule section for more information.
Circ— fan runs randomly approximately 35% of time. Use this setting for improved air circulation or
for more efficient central air cleaning when you do not want the fan running continuously.
SETTING SYSTEM KEY
The System key selections vary based on your heating and/or cooling system type.
Heat — thermostat controls your heating system.
Off —both heating and cooling systems are off.
Cool — thermostat controls your cooling system.
Auto — thermostat controls both your heating and cooling system based on temperature.
Em. Heat (heat pump systems only) —thermostat controls emergency heat and auxiliary heat, if
needed. Heat pump is not operational.
69-1701.fm Page 12 Monday, March 8, 2004 12:40 PM

Honeywell TH8000 Series Specifications

General

Programmable	Yes
Operating Modes	Heat, Cool, Auto, Off
Fan Modes	Auto, On, Circulate
Display	Touchscreen
Programmability	7-day programmable or non-programmable (depending on model and user selection)
Features	Touchscreen
Programs	4 periods per day
Backup Battery	Optional (AA batteries)
Humidity Control	No
Power Source	Battery and/or Hardwired